20330334920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1087}}^1\times {\mathrm{66797}}^1$

素因数の和:67902

約数の個数: 64

約数和(自身を含む): 52326881280

約数和(自身を除く): 31996546360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1087, 2174, 4348, 5435, 7609, 8696, 10870, 15218, 21740, 30436, 38045, 43480, 60872, 66797, 76090, 133594, 152180, 267188, 304360, 333985, 467579, 534376, 667970, 935158, 1335940, 1870316, 2337895, 2671880, 3740632, 4675790, 9351580, 18703160, 72608339, 145216678, 290433356, 363041695, 508258373, 580866712, 726083390, 1016516746, 1452166780, 2033033492, 2541291865, 2904333560, 4066066984, 5082583730, 10165167460, 20330334920]

約数ペア:

[(1, 20330334920), (2, 10165167460), (4, 5082583730), (5, 4066066984), (7, 2904333560), (8, 2541291865), (10, 2033033492), (14, 1452166780), (20, 1016516746), (28, 726083390), (35, 580866712), (40, 508258373), (56, 363041695), (70, 290433356), (140, 145216678), (280, 72608339), (1087, 18703160), (2174, 9351580), (4348, 4675790), (5435, 3740632), (7609, 2671880), (8696, 2337895), (10870, 1870316), (15218, 1335940), (21740, 935158), (30436, 667970), (38045, 534376), (43480, 467579), (60872, 333985), (66797, 304360), (76090, 267188), (133594, 152180)]